61880738 has 8 divisors (see below), whose sum is σ = 92862288. Its totient is φ = 30926644.

The previous prime is 61880723. The next prime is 61880747. The reversal of 61880738 is 83708816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61880695 and 61880704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 11127.

It is an arithmetic number, because the mean of its divisors is an integer number (11607786).

Almost surely, 2^61880738 is an apocalyptic number.

61880738 is a deficient number, since it is larger than the sum of its proper divisors (30981550).

61880738 is a wasteful number, since it uses less digits than its factorization.

61880738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13728.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 61880738 is about 7866.4310840431. The cubic root of 61880738 is about 395.5352206169.

The spelling of 61880738 in words is "sixty-one million, eight hundred eighty thousand, seven hundred thirty-eight".